iOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-29T17:17:05Z. The update package is 809.28 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 405e22ef24336db4dc34f674ad8663df06188ff4.zip.